package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlQuizFeedback entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see idv.loveloser.dao.MdlQuizFeedback
 * @author MyEclipse Persistence Tools
 */

public class MdlQuizFeedbackDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlQuizFeedbackDAO.class);
	// property constants
	public static final String QUIZID = "quizid";
	public static final String FEEDBACKTEXT = "feedbacktext";
	public static final String FEEDBACKTEXTFORMAT = "feedbacktextformat";
	public static final String MINGRADE = "mingrade";
	public static final String MAXGRADE = "maxgrade";

	public void save(MdlQuizFeedback transientInstance) {
		log.debug("saving MdlQuizFeedback instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlQuizFeedback persistentInstance) {
		log.debug("deleting MdlQuizFeedback instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlQuizFeedback findById(java.lang.Long id) {
		log.debug("getting MdlQuizFeedback instance with id: " + id);
		try {
			MdlQuizFeedback instance = (MdlQuizFeedback) getSession().get(
					"idv.loveloser.dao.MdlQuizFeedback", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlQuizFeedback instance) {
		log.debug("finding MdlQuizFeedback instance by example");
		try {
			List results = getSession()
					.createCriteria("idv.loveloser.dao.MdlQuizFeedback")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlQuizFeedback instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from MdlQuizFeedback as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByQuizid(Object quizid) {
		return findByProperty(QUIZID, quizid);
	}

	public List findByFeedbacktext(Object feedbacktext) {
		return findByProperty(FEEDBACKTEXT, feedbacktext);
	}

	public List findByFeedbacktextformat(Object feedbacktextformat) {
		return findByProperty(FEEDBACKTEXTFORMAT, feedbacktextformat);
	}

	public List findByMingrade(Object mingrade) {
		return findByProperty(MINGRADE, mingrade);
	}

	public List findByMaxgrade(Object maxgrade) {
		return findByProperty(MAXGRADE, maxgrade);
	}

	public List findAll() {
		log.debug("finding all MdlQuizFeedback instances");
		try {
			String queryString = "from MdlQuizFeedback";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlQuizFeedback merge(MdlQuizFeedback detachedInstance) {
		log.debug("merging MdlQuizFeedback instance");
		try {
			MdlQuizFeedback result = (MdlQuizFeedback) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlQuizFeedback instance) {
		log.debug("attaching dirty MdlQuizFeedback instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlQuizFeedback instance) {
		log.debug("attaching clean MdlQuizFeedback instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}